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M74HC4518C1R

M74HC4518C1R

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    M74HC4518C1R - HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTER - STMicroelectronics

  • 详情介绍
  • 数据手册
  • 价格&库存
M74HC4518C1R 数据手册
M 54/M74HC4518 M54/M74HC4520 HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTER . . . . . . . . HIGH SPEED fMAX = 55 MHz (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V PIN AND FUNCTION COMPATIBLE WITH 4520B/4518B B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCXXXXF1R M74HCXXXXM1R M74HCXXXXB1R M74HCXXXXC1R PIN CONNECTIONS (top view) DESCRIPTION The M54/74HC4518/4520 are high speed CMOS DUAL 4 BIT BINARY COUNTERS fabricated in sili2 con gate C MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. They consists of two identical internally synchronous 4-stage counters. The counter stages are D-type flip-flops having interchangeable Clock and ENABLE inputs for incrementing on either the positive-going or negative-going transition. For single-unit operation the ENABLE input is maintained ”high” and the counter advances on each positive-going transition of the CLOCK. The counters are cleared by high levels on their clear lines. The counter can be cascaded in the ripple mode by connecting Q4 to the enable input of the subsequent counter while the clock input of the latter is held permanently low. All inputs are equipped with protection circuits against static discharge and transient excess voltage. March 1993 NC = No Internal Connection 1/13 M54/M74HC4518/4520 LOGIC DIAGRAM (1/2 HC4518) LOGIC DIAGRAM (1/2 HC4520) 2/13 M54/M74HC4518/4520 TIMING CHART (HC4518) TIMING CHART (HC4520) 3/13 M54/M74HC4518/4520 T RUTH TABLE INPUTS CLOCK L X X L H X X: Don’t Care Z: High Impedance ENABLE H CLEAR L L L L L L H FUNCTION INCREMENT COUNTER INCREMENT COUNTER NO CHANGE NO CHANGE NO CHANGE NO CHANGE Q0 THRU Q3 = L X PIN DESCRIPTION PIN No 1, 9 2, 10 3, 4, 5, 6 7, 15 11, 12, 13, 14 8 16 SYMBOL 1CLOCK, 2CLOCK 1ENABLE, 2ENABLE 1Q0 to 1Q3 1CLEAR, 2CLEAR 2Q0 to 2Q3 GND V CC NAME AND FUNCTION Clock Inputs (LOW to HIGH, Edge-triggered) Clock Enable Inputs Data Outputs Asynchronous Reset Inputs (Active LOW) Data Outputs Ground (0V) Positive Supply Voltage INPUT AND OUTPUT EQUIVALENT CIRCUIT IEC LOGIC SYMBOLS HC4518 HC4520 4/13 M54/M74HC4518/4520 A BSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO ICC or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink Current Per Output Pin DC VCC or Ground Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 ± 20 ± 20 ± 25 ± 50 500 (*) -65 to +150 300 Unit V V V mA mA mA mA mW o o C C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied. (*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top tr, tf Parameter Supply Voltage Input Voltage Output Voltage Operating Temperature: M54HC Series M74HC Series Input Rise and Fall Time Value 2 to 6 0 to VCC 0 to VCC -55 to +125 -40 to +85 0 to 1000 0 to 500 0 to 400 Unit V V V C o C ns o VCC = 2 V VCC = 4.5 V VCC = 6 V 5/13 M54/M74HC4518/4520 D C SPECIFICATIONS Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 V OH High Level Output Voltage 2.0 4.5 6.0 4.5 VOL Low Level Output Voltage 6.0 2.0 4.5 6.0 4.5 6.0 II ICC Input Leakage Current Quiescent Supply Current 6.0 6.0 VI = IO=-20 µA VIH or V IL IO=-4.0 mA IO=-5.2 mA VI = IO= 20 µA VIH or V IL IO= 4.0 mA IO= 5.2 mA VI = VCC or GND VI = VCC or GND 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 ±0.1 4 TA = 25 oC 54HC and 74HC Min. Typ. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.37 0.37 ±1 40 Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 ±1 80 µA µA V V 1.5 3.15 4.2 0.5 1.35 1.8 V V Unit VIH High Level Input Voltage Low Level Input Voltage V IL 6/13 M54/M74HC4518/4520 A C ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns) Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 for HC4518 for HC4520 6 30 35 TA = 25 C 54HC and 74HC Min. Typ. Max. 30 8 7 72 22 18 65 20 16 23 51 60 25 6 5 20 5 4 21 3 3 5 38 32 75 15 13 75 15 13 50 10 9 10 75 15 13 160 32 27 150 30 26 4.8 24 28 95 19 16 95 19 16 60 12 11 10 110 22 19 75 15 13 10 ns pF pF ns ns o Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 95 19 16 200 40 34 190 38 33 4 20 24 MHz 110 22 19 240 48 41 225 45 38 ns ns ns Unit tTLH tTHL tPLH tPHL tPHL Output Transition Time Propagation Delay Time (CK, CE - Qn) Propagation Delay Time (CLR - Qn) Maximum Clock Frequency Minimum Pulse Width (CK, CE) Minimum Pulse Width (CLR) Minimum Removal Time (CLR) Input Capacitance Power Dissipation Capacitance fMAX tW(H) tW(L) tW(L) tREM CIN CPD (*) (*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/2 (per COUNTER) 7/13 M54/M74HC4518/4520 SWITCHING CHARACTERISTICS TEST WAVEFORMS TEST CIRCUIT ICC (Opr.) INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TESTS. 8/13 M54/M74HC4518/4520 Plastic DIP16 (0.25) MECHANICAL DATA mm MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.27 8.5 2.54 17.78 7.1 5.1 0.130 0.050 0.51 0.77 0.5 0.25 20 0.335 0.100 0.700 0.280 0.201 1.65 TYP. MAX. MIN. 0.020 0.030 0.020 0.010 0.787 0.065 inch TYP. MAX. DIM. P001C 9/13 M54/M74HC4518/4520 Ceramic DIP16/1 MECHANICAL DATA mm MIN. A B D E e3 F G H L M N P Q 7.8 2.29 0.4 1.17 0.22 0.51 0.38 17.78 2.79 0.55 1.52 0.31 1.27 10.3 8.05 5.08 0.307 0.090 0.016 0.046 0.009 0.020 3.3 0.015 0.700 0.110 0.022 0.060 0.012 0.050 0.406 0.317 0.200 TYP. MAX. 20 7 0.130 MIN. inch TYP. MAX. 0.787 0.276 DIM. P053D 10/13 M54/M74HC4518/4520 SO16 (Narrow) MECHANICAL DATA DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 9.8 5.8 1.27 8.89 4.0 5.3 1.27 0.62 8° (max.) 0.149 0.181 0.019 10 6.2 0.35 0.19 0.5 45° (typ.) 0.385 0.228 0.050 0.350 0.157 0.208 0.050 0.024 0.393 0.244 0.1 mm TYP. MAX. 1.75 0.2 1.65 0.46 0.25 0.013 0.007 0.019 0.004 MIN. inch TYP. MAX. 0.068 0.007 0.064 0.018 0.010 P013H 11/13 M54/M74HC4518/4520 PLCC20 MECHANICAL DATA mm MIN. A B D d1 d2 E e e3 F G M M1 1.27 1.14 7.37 1.27 5.08 0.38 0.101 0.050 0.045 9.78 8.89 4.2 2.54 0.56 8.38 0.290 0.050 0.200 0.015 0.004 TYP. MAX. 10.03 9.04 4.57 MIN. 0.385 0.350 0.165 0.100 0.022 0.330 inch TYP. MAX. 0.395 0.356 0.180 DIM. P027A 12/13 M54/M74HC4518/4520 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. © 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 13/13
M74HC4518C1R
1. 物料型号: - M54/M74HC4518:双十年计数器 - M54/M74HC4520:双4位二进制计数器

2. 器件简介: - M54/74HC4518/4520是基于硅门C2MOS技术的高速CMOS双4位二进制计数器。它们结合了LSTTL的高速性能和真正的CMOS低功耗特性。每个计数器由两个相同的内部同步4级计数器组成,这些计数器阶段是D触发器,具有可互换的时钟和使能输入,可以在正跳变或负跳变上递增。

3. 引脚分配: - 1, 9:1CLOCK, 2CLOCK(时钟输入,低到高边沿触发) - 2, 10:1ENABLE, 2ENABLE(时钟使能输入) - 3, 4, 5, 6:1Q0到1Q3(数据输出) - 7, 15:1CLEAR, 2CLEAR(异步复位输入,低电平有效) - 11, 12, 13, 14:2Q0到2Q3(数据输出) - 8:GND(地,0V) - 16:Vcc(正电源电压)

4. 参数特性: - 高速:fMAX = 55 MHz(典型值),在5V供电时 - 低功耗:ICC = 4 μA(最大值),在25°C环境温度下 - 高抗扰性:VNIH = VNIL = 28% VCC(最小值) - 输出驱动能力:10 LSTTL负载,对称输出阻抗,|IOH|=IOL=4 mA(最小值) - 宽工作电压范围:VCC(OPR)= 2V至6V

5. 功能详解应用信息: - 这些计数器可以用于各种数字系统中,如频率计数、事件计数、定时和控制等。它们可以串联级联,实现更高位的计数。

6. 封装信息: - 提供了多种封装选项,包括塑料DIP16(0.25英寸)、陶瓷DIP16/1、SO16(窄体)和PLCC20封装。
M74HC4518C1R 价格&库存

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